描述房子，说明东西在哪里
例句
This is my sister.
这是我妹妹。
例句
That is my bag.
那是我的包。
I am sure that this is your bag.
我确定这是你的包。
例句
These books are mine.
这些书是我的。
例句
Those flowers are beautiful.
那些花真漂亮。
例句
There is not enough light to read.
光线不够，没法看书。
Turn on the light.
把灯打开。
例句
The milk is in the fridge.
牛奶在冰箱里。
例句
We watch television after dinner.
晚饭后我们看电视。
例句
I work on a computer.
我在电脑上工作。
例句
Look at this picture.
看这张图片。
例句
My shoes are dirty.
我的鞋脏了。
this / that + Nsg · these / those + Nplthis 和 these 指近处的东西，that 和 those 指远处的东西。它们还要随单数或复数变化：this/that 用于单数，these/those 用于复数。 常见错误：后面的名词必须和它们的数一致：these book ✗，these books ✓。
This book is mine.
这本书是我的。
That house is very old.
那座房子很旧了。
These shoes are too small.
这双鞋太小了。
Those people are teachers.
那些人是老师。
去买家具
Do you like this television?
你喜欢这台电视机吗？
This one is nice, but that fridge is better.
这台不错，但那台冰箱更好。
These lights are very bright.
这些灯非常亮。
Those computers are cheaper.
那些电脑更便宜。
This picture is dirty.
这幅画脏了。
Then we take that one.
那我们就买那个吧。